Target estimation using MIMO radar with multiple subcarriers
This paper analyzes the effect of waveform parame- ters on the joint target location and velocity estimation by a non- coherent multiple input multiple output （MIMO） radar transmitting multiple subcarriers signals. How the number of subcarriers in- fluences the estimation accuracy is illustrated by...
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| Veröffentlicht in: | Journal of systems engineering and electronics 2012-02, Vol.23 (1), p.57-62 |
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| creator | Jiang, Min Huang, Jianguo Jin, Yong Han, Jing |
| description | This paper analyzes the effect of waveform parame- ters on the joint target location and velocity estimation by a non- coherent multiple input multiple output （MIMO） radar transmitting multiple subcarriers signals. How the number of subcarriers in- fluences the estimation accuracy is illustrated by considering the joint Cramer-Rao bound and the mean square error of the maxi- mum likelihood estimate. The non-coherent MIMO radar ambiguity function with multiple subcarriers is developed and investigated by changing the number of subcarriers, the pulse width and the frequency spacing between adjacent subcarriers. The numerical results show that more subcarriers mean more accurate estimates, higher localization resolution, and larger pulse width results in a worse performance of target location estimation, while the fre- quency spacing affects target location estimation little. |
| doi_str_mv | 10.1109/JSEE.2012.00008 |
| format | Article |
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How the number of subcarriers in- fluences the estimation accuracy is illustrated by considering the joint Cramer-Rao bound and the mean square error of the maxi- mum likelihood estimate. The non-coherent MIMO radar ambiguity function with multiple subcarriers is developed and investigated by changing the number of subcarriers, the pulse width and the frequency spacing between adjacent subcarriers. The numerical results show that more subcarriers mean more accurate estimates, higher localization resolution, and larger pulse width results in a worse performance of target location estimation, while the fre- quency spacing affects target location estimation little.</description><identifier>ISSN: 1004-4132</identifier><identifier>EISSN: 1004-4132</identifier><identifier>DOI: 10.1109/JSEE.2012.00008</identifier><language>eng</language><publisher>Nanjing Research Institute of Electronic Technology, Nanjing 210039, P. R. 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How the number of subcarriers in- fluences the estimation accuracy is illustrated by considering the joint Cramer-Rao bound and the mean square error of the maxi- mum likelihood estimate. The non-coherent MIMO radar ambiguity function with multiple subcarriers is developed and investigated by changing the number of subcarriers, the pulse width and the frequency spacing between adjacent subcarriers. The numerical results show that more subcarriers mean more accurate estimates, higher localization resolution, and larger pulse width results in a worse performance of target location estimation, while the fre- quency spacing affects target location estimation little.</description><subject>Ambiguity</subject><subject>Cramer-Rao界</subject><subject>Electronics</subject><subject>Mathematical models</subject><subject>MIMO</subject><subject>Position (location)</subject><subject>Pulse width</subject><subject>Radar</subject><subject>Subcarriers</subject><subject>Waveforms</subject><subject>多输入多输出</subject><subject>子载波</subject><subject>最大似然估计</subject><subject>目标估计</subject><subject>雷达</subject><subject>频率间隔</subject><issn>1004-4132</issn><issn>1004-4132</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2012</creationdate><recordtype>article</recordtype><recordid>eNpNkM9PwjAYhhujiQQ5e603Dw76k26JF0NQMRAO4rkpXTtKxgbtFsS_3k6MsZc26fN-X54XgFuMhhijbPT2Pp0OCcJkiOJJL0API8QShim5_Pe-BoMQth2CBCIE9cDjSvnCNNCExu1U4-oKtsFVBVzMFkvoVa48PLpmA3dt2bh9aWBo11p574wPN-DKqjKYwe_dBx_P09XkNZkvX2aTp3miSYabRHDMc6rXWlhKuLG5YBwrLQRBQmVWIJNrNo5_jGBBx9xqnuEUCUvGeZZSTfvg4Tz3qCqrqkJu69ZXcaP8bAp9yr-2QZrOHkXTNOL3Z3zv60MbzeTOBW3KUlWmboPEUT1ljHMc0dEZ1b4OwRsr9z724E8Rkl2zsmtWdrPlT7Mxcfeb2NRVcYhV_UUYRqmIAvQbzfV06w</recordid><startdate>20120201</startdate><enddate>20120201</enddate><creator>Jiang, Min</creator><creator>Huang, Jianguo</creator><creator>Jin, Yong</creator><creator>Han, Jing</creator><general>Nanjing Research Institute of Electronic Technology, Nanjing 210039, P. R. China</general><general>College of Marine Engineering, Northwestern Polytechnical University, Xi'an 710072, P. R. China%College of Marine Engineering, Northwestern Polytechnical University, Xi'an 710072, P. R. China%College of Computer and Information Engineering, Henan University, Kaifeng 475000, P. R. 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How the number of subcarriers in- fluences the estimation accuracy is illustrated by considering the joint Cramer-Rao bound and the mean square error of the maxi- mum likelihood estimate. The non-coherent MIMO radar ambiguity function with multiple subcarriers is developed and investigated by changing the number of subcarriers, the pulse width and the frequency spacing between adjacent subcarriers. The numerical results show that more subcarriers mean more accurate estimates, higher localization resolution, and larger pulse width results in a worse performance of target location estimation, while the fre- quency spacing affects target location estimation little.</abstract><pub>Nanjing Research Institute of Electronic Technology, Nanjing 210039, P. R. China</pub><doi>10.1109/JSEE.2012.00008</doi><tpages>6</tpages></addata></record> |
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| identifier | ISSN: 1004-4132 |
| ispartof | Journal of systems engineering and electronics, 2012-02, Vol.23 (1), p.57-62 |
| issn | 1004-4132 1004-4132 |
| language | eng |
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| source | IEEE Power & Energy Library; EZB-FREE-00999 freely available EZB journals |
| subjects | Ambiguity Cramer-Rao界 Electronics Mathematical models MIMO Position (location) Pulse width Radar Subcarriers Waveforms 多输入多输出 子载波 最大似然估计 目标估计 雷达 频率间隔 |
| title | Target estimation using MIMO radar with multiple subcarriers |
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